Algae MCQs : This section focuses on the "Algae" in Biology Class 11. These Multiple Choice Questions (MCQs) should be practiced to improve the Biology Class 11 skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Algae exist in environments ranging from?
A. oceans
B. rivers
C. ponds
D. All of the above
Question 2
Algae are usually green.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 3
Which of the following is not true?
A. Algae are photosynthetic organisms
B. Algae is unicellular organisms only
C. Algaes are found where there is adequate moisture
D. Algae are free-living
Question 4
Which algae also called rhodophyta?
A. Green Algae
B. Blue Algae
C. Red Algae
D. Pink Algae
Question 5
Which of the following modes are used by spirogyra to reproduce?
A. Fragmentation
B. Multiple fission
C. Spore formation
D. Binary fission
Question 6
Example of unicellular ?
A. diatoms
B. euglenophyta
C. dinoflagellates
D. All of the above
Question 7
During unfavourable conditions, the outer layer that is formed in chlamydomonas is called as ______
A. Cellular membrane
B. Cell wall
C. Cyst
D. Nuclear membrane
Question 8
Most algae require a moist or watery environment.
A. Yes
B. No
C. Can be yes or no
D. Can not say
Question 9
Which among the following is an incorrect statement?
A. Chlamydomanas is an example of unicellular algae
B. Ulothrea is a unicellular autotrophic algal
C. Chlamydomanas have flagella to promote their movement
D. Spirogyra attains its name because of spiral like arrangement of chloroplasts
Question 10
Which of the following is not the basis for sub-classification in plants?
A. Well differentiable structure
B. Presence of seeds
C. Structure of branches
D. Seed coat